Import IceCTF 2018/Modern Picasso writeup from the wiki

Signed-off-by: Malf Furious <m@lfurio.us>

3 files changed, 22 insertions, 0 deletions

diff --git a/docs/writeups/IceCTF_2018/Modern_Picasso.txt b/docs/writeups/IceCTF_2018/Modern_Picasso.txt
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+"Here's a rendition of some modern digital abstract art. Is it more than art
+though?"
+
+
+Setup
+-----
+We are given the 'picasso.gif' file.  Initial static analysis showed no
+recognizable strings nor any embedded file signatures in the file, so we moved
+onto our next idea which was to analyze each frame of the gif.
+
+
+Solution
+--------
+Opening the file in GIMP loads each frame as a layer in the image (thanks,
+Dusoleil).  Each frame represents a portion of a still image, so we want to view
+all of them at once.
+
+For each frame (layer), add an alpha channel so that we can make the background
+transparent.  Then use the magic wand to select the background and delete it.
+
+The result is a single layer image which depicts the flag, along with some extra
+colored boxes and a drawn in face.  See the 'picasso_solution.png' file.
diff --git a/docs/writeups/IceCTF_2018/picasso.gif b/docs/writeups/IceCTF_2018/picasso.gif
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+++ b/docs/writeups/IceCTF_2018/picasso.gif
diff --git a/docs/writeups/IceCTF_2018/picasso_solution.png b/docs/writeups/IceCTF_2018/picasso_solution.png
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